Junior Ranger Outfitters badge featuring Ranger Rudy
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For the little ranger in all of us.

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Ranger Rudy, a young deer park ranger in a yellow hat, hiking with his mouse friend

Gear for every adventure

The Junior Ranger Outfitters trading post is opening one shelf at a time. Start with the book; the rest of the gear is on its way.

The first Ranger Rudy book

Ranger Rudy and the Biggest Little Promise

In a forest of firs, a little park ranger checks on the rabbits, counts the squirrels and helps wherever he can. When a tiny mouse asks him to look after its very first acorn, Rudy makes a promise: water it morning and night.

Then the Great Forest Fair comes to town, with berry pies, races and prizes to win. A rhyming picture book about keeping your word, even when something more exciting comes along.

“Little hooves can do big things, you know!”
16
illustrated pages
Rhyming
read-aloud text
Ages 3–7
picture book

Peek inside

Book cover: Ranger Rudy and the Biggest Little Promise. Little hooves can do big things.

Cover

Junior Ranger activity

Plant a promise

A three-step activity to do together after story time.

  1. 1

    Make a little promise

    Pick something small to care for: a seed, a houseplant, a bird feeder. Say your promise out loud, just like Rudy did.

  2. 2

    Keep coming back

    Little things need water, sun and someone who comes back when they said they would. Check in every morning and night.

  3. 3

    Watch it grow

    When the first green leaf peeks through, you've earned your Junior Ranger badge. Little hooves can do big things.